Operational design is that part of the design process, which ensures that the crew and stevedores can operate a ship effectively.

An ongoing cost for running a product, business, or system

A penalty imposed when the operational requirements are not met. This is usually a monetry value or credit from the supplier.

A person, a company, or a government agency, or a representative of a company keeping operational control over a terminal.

An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light.

A commitment from large consumers to purchase electricity, usually a commitment made 24 hours in advance.

A schedule that producers use to anticipate future electricity demand, usualy 24 hours in advance of demand.

To make effective and efficient use of a resource

A single-deck bulk carrier having two longitudinal bulkheads and a deep double bottom throughout the cargo region and intended for carriage of ore cargoes in the center holds only.

A combination carrier similar in construction to an ore carrier but also features side tanks for the carriage of oil.

In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen bonds.

Organic matter, organic material, or natural organic matter refers to the large source of carbon-based compounds found within natural and engineered, terrestrial, and aquatic environments.

An organic nuclear reactor, or organic cooled reactor (OCR), is a type of nuclear reactor that uses some form of organic fluid, typically a hydrocarbon substance like polychlorinated biphenyl (PCB), for cooling and sometimes as a neutron moderator as well.

An organic solar cell or plastic solar cell is a type of photovoltaic that uses organic electronics, a branch of electronics that deals with conductive organic polymers or small organic molecules, for light absorption and charge transport to produce electricity from sunlight by the photovoltaic effect.

An organism is an entity capable of carrying on life functions.

An original equipment manufacturer (OEM) is generally perceived as a company that designs and manufactures engines and spare parts for those engines.

An emulsion containing 70% of natural bitumen finely dispersed in water and stabilised by a package of additives. The bitumen is extracted in a Venezuelan region known as the Orinoco Belt.

This type of winding structure creates an optimal fill factor (90.7%) for round wires.

Oscillating Water Column devices can be located onshore or in deeper waters offshore.

These devices typically have one end fixed to a structure or the seabed while the other end is free to move.